Set Racer scheme turn time to 90 to match Racer script's

GameServer: Hide saveroom and loadroom command in non-official server Because those commands only work with OFFICIAL_SERVER

Remove accidental air mines in official racer challenges

Update game schemes in racer.yaml to re-enable invuln in Racer

Update changelog

Racer, TechRacer: Mask taunts like Stupid when track was completed successfully

Racer: Fix ammo delay confusion if gfKing or gfPlaceHog were set

Racer, TechRacer: Force-disable several bad game flags

Set crate probability to 0 in Racer game scheme

Racer: Make winners invulnerable

Racer: Fix hog taking damage skipping turn of next team

Racer: Disable other ammos in waypoint placement phase

Racer: Make sure the waypoint placer always has 0 delay

Racer: Clean up comments

save data for blocks with more than a single component

Set dX to zero in hedgehog walk routine to prevent unexpected changes in X coordinate in certain conditions

add wind to physics processor

implement iteration with tags

Fix build

Prevent AI from flooding +L/+R messages

Set dX sign early so jump calculations always get correct value

remove winutils

allow registering zero-sized types

Change credits for Hungarian translator

Allow playing Racer without invulnerability

ignore overflow in point norm computation

avoid time multiplication when not skipping ticks

remove velocity check

add gravity

update hwphysics motion to use the new system